20571873791

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{147881}}^1$

素因数の和:148079

約数の個数: 24

約数和(自身を含む): 25490124576

約数和(自身を除く): 4918250785

約数列:

[1, 7, 17, 49, 119, 167, 833, 1169, 2839, 8183, 19873, 139111, 147881, 1035167, 2513977, 7246169, 17597839, 24696127, 123184873, 172872889, 419834159, 1210110223, 2938839113, 20571873791]

約数ペア:

[(1, 20571873791), (7, 2938839113), (17, 1210110223), (49, 419834159), (119, 172872889), (167, 123184873), (833, 24696127), (1169, 17597839), (2839, 7246169), (8183, 2513977), (19873, 1035167), (139111, 147881)]